linux-kernel - Re: [PATCH] riscv: move memblock_allow

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Message-ID: <20230611-canning-antiquity-b60b360ea683@spud>
Date:   Sun, 11 Jun 2023 11:15:06 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Woody Zhang <woodylab@...mail.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alexandre Ghiti <alexghiti@...osinc.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: move memblock_allow_resize() after lm is ready

On Sun, Jun 11, 2023 at 07:31:03AM +0800, Woody Zhang wrote:
> On Sat, Jun 10, 2023 at 04:44:19PM +0100, Conor Dooley wrote:
> >On Sat, Jun 10, 2023 at 07:43:20AM +0800, Woody Zhang wrote:
> >$subject: "riscv: move memblock_allow_resize() after lm is ready"
> >
> >s/lm/linear map/ if you resubmit, please.
> 
> Thanks, will send a v2.
> 
> >
> >> The initial memblock metadata is accessed from kernel image mapping. The
> >> regions arrays need to "reallocated" from memblock and accessed through
> >> linear mapping to cover more memblock regions. So the resizing should
> >> not be allowed until linear mapping is ready. Note that there are
> >> memblock allocations when building linear mapping.
> >> 
> >> Signed-off-by: Woody Zhang <woodylab@...mail.com>
> >
> >What commit does this fix?
> 
> Fixes: 671f9a3e2e24 ("RISC-V: Setup initial page tables in two stages")
> 
> Will add this tag in v2.

b4 should pick up fixes tags from replies, you shouldn't need to
resubmit for that alone.

Cheers,
Conor.

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